CVE-2026-103849

Adobe Commerce is affected by an Improper Neutralization of Special Elements Used in a Template Engine vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue does not require user interaction. Scope is changed.

CVSS

10.0

EPSS

0.008 (54.9th percentile)

CISA KEV

Not listed

Exploitation

none

Public exploits

None seen

State

PUBLISHED

Coverage

• BleepingComputer◆Authoritative. Authoritative publisher: a primary source, or a newsroom with formal editorial standards1 hour ago

  Critical BlockStrap flaw lets hackers run code on Magento servers

  Researchers warn that hackers could soon exploit a maximum-severity vulnerability (CVE-2026-103849) affecting Magento and Adobe Commerce, potentially allowing them to execute arbitrary PHP code on store servers. [...]

  ↗bleepingcomputer.com/news/security/critical-blo…(opens the publisher's site in a new tab)

What we observed